2949467481 has 27 divisors (see below), whose sum is σ = 4372108767. Its totient is φ = 1916021520.

The previous prime is 2949467453. The next prime is 2949467497. The reversal of 2949467481 is 1847649492.

The square root of 2949467481 is 54309.

It is a perfect power (a square), and thus also a powerful number.

2949467481 is a `hidden beast` number, since 2 + 9 + 494 + 6 + 74 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13995081 + 2935472400 = 3741^2 + 54180^2 .

It is not a de Polignac number, because 2949467481 - 2²⁷ = 2815249753 is a prime.

It is a super-2 number, since 2×2949467481² = 17398716842952970722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2949467401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7005651 + ... + 7006071.

Almost surely, 2^2949467481 is an apocalyptic number.

2949467481 is the 54309-th square number.

2949467481 is the 27155-th centered octagonal number.

It is an amenable number.

2949467481 is a deficient number, since it is larger than the sum of its proper divisors (1422641286).

2949467481 is an frugal number, since it uses more digits than its factorization.

2949467481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 934 (or 467 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 54.

The cubic root of 2949467481 is about 1434.1058391329.

The spelling of 2949467481 in words is "two billion, nine hundred forty-nine million, four hundred sixty-seven thousand, four hundred eighty-one".